Sharp Kabushiki Kaisha Corporation

Arakawa Chemical Industries, Ltd.

Yasushi Funakoshi

Takashi Nakatani

Satoshi Okamoto

Yoshiya Abiko

Kenji Fujita

Kyotaro Nakamura

Yoshimasa Sato

Tetsuya Kashihara

Masatsugu Kohira

Hiroyuki Oka

The present invention provides a solar battery including a solar cell (); a wiring substrate () having a wire () to be electrically connected to an electrode () provided in the solar cell (); and an adhesive agent for adhering the solar cell () and the wiring substrate () to each other. The present invention also provides a method for manufacturing the solar battery, a method for manufacturing a solar cell module using the solar battery, and the solar cell module.

Solar battery, method for manufacturing solar battery, method for manufacturing solar cell module, and solar cell module

An object of the present invention is to provide an adhesive composition that is substantially odorless and has an extremely good color and excellent adhesive properties or tack at low temperatures of about 5&#xb0; C. and in which deterioration over time caused by heat or light is suppressed. The present invention relates to an adhesive composition comprising a liquid rosin ester compound, the liquid rosin ester compound being obtained by reacting a rosin compound with a Cmonohydric alcohol compound and having a Gardner color of 1 or less, a glass transition temperature of &#x2212;20&#xb0; C. or less, a degree of esterification of 93 wt % or more, and a ratio (Y'/Y) of the total area of peaks in 16- to 22-min retention time region (Y&#x2032;) to the total area of all the peaks (Y) measured by gas chromatography under the following conditions of 200 ppm or less.

Pressure-sensitive adhesive composition and acrylic pressure-sensitive adhesive composition

Provided is a resin acid ester-based tackifier having a good compatibility with a synthetic rubber elastomer, being capable of reducing the melt viscosity of the elastomer, and being capable of imparting excellent adhesive properties and/or pressure-sensitive adhesive properties to the elastomer. 

Tackifier, tackifier for medical or industrial use, adhesive and/or pressure-sensitive adhesive for medical or industrial use, adhesive sheet and/or pressure-sensitive adhesive sheet for medical or industrial use, and pressure-sensitive adhesive tape for medical or industrial use

The present invention provides a solar battery including a solar cell; a wiring substrate having a wire to be electrically connected to an electrode provided in the solar cell; and an adhesive agent for adhering the solar cell and the wiring substrate to each other. The present invention also provides a method for manufacturing the solar battery, a method for manufacturing a solar cell module using the solar battery, and the solar cell module.

Provided are a semiconductor device in which abrasive grain marks are formed in a surface of a semiconductor substrate, a dopant diffusion region has a portion extending in a direction which forms an angle included in a range of &#x2212;5&#xb0; to +5&#xb0; with a direction in which the abrasive grain marks extend, and the dopant diffusion region is formed by diffusing a dopant from a doping paste placed on one surface of the semiconductor substrate; and a method for manufacturing the semiconductor device.

Semiconductor device and method for manufacturing semiconductor device

A semiconductor device and a method for manufacturing the semiconductor device are provided. A semiconductor substrate has a surface on which an abrasion trace is formed, and a dopant diffusion region includes a portion extending in the direction at an angle within the range of &#x2212;5&#xb0; to +5&#xb0; with respect to the direction in which the abrasion trace extends.

Provided is a solar battery module wherein solar battery cells are electrically connected to each other by using a wiring board having a predetermined wiring pattern formed on a resin base material. A method for manufacturing such solar battery module is also provided. In the wiring board of the solar battery module, a direction wherein a design margin is small is permitted to be a direction wherein the thermal contraction ratio of the resin base material is small, by the shape of an electrode pattern on the solar battery cell and that of the wiring pattern on the wiring board. At the time of manufacturing such solar battery module, temperature in a heat treatment step is set at 100&#xb0; C. or higher but not higher than 180&#xb0; C. Electrode designing at a fine pitch is made possible and the solar battery module exhibits high solar battery characteristics, even when the solar battery cells are connected by using wiring boards composed of various types of resin materials having thermal compression ratio not sufficiently low.

Solar battery module and method for manufacturing the same

Disclosed is a method of fabricating a semiconductor device, including the steps of forming a diffusion preventing mask on a surface of a semiconductor substrate, applying a dopant diffusing agent containing a dopant of a first conductivity type or a second conductivity type onto the surface of the semiconductor substrate at a spacing from the diffusion preventing mask, and forming a dopant diffusion layer by diffusing the dopant from the dopant diffusing agent into the semiconductor substrate.

Method of fabricating semiconductor device

The present invention provides a method for manufacturing a solar cell, including: diffusing p type impurity into at least a portion of a first surface, which is one surface of a silicon substrate, to form a high concentration p type impurity diffusion layer; and etching one of the first surface of the silicon substrate and a second surface of the silicon substrate opposite to the first surface, using as a mask at least one of the high concentration p type impurity diffusion layer and a film formed on the high concentration p type impurity diffusion layer upon forming the high concentration p type impurity diffusion layer.

Method for manufacturing solar cell by forming a high concentration P-type impurity diffusion layer

Disclosed is a method for manufacturing a solar cell module in which a wiring substrate having a base material and a wiring formed on the base material, and a plurality of solar cells electrically connected by being placed on the wiring of the wiring substrates are sealed with a sealant, including a first step of placing at least one of the solar cells on the wiring of the wiring substrate, and a second step of sealing the wiring substrate and the solar cells with the sealant, the method including the step of conducting an inspection of the solar cells after the first step and before the second step.

Method for manufacturing solar cell module

A masking paste used as a mask for controlling diffusion when diffusing a p-type dopant and an n-type dopant into a semiconductor substrate and forming a high-concentration p-doped region and a high concentration n-doped region is provided that contains at least a solvent, a thickening agent, and SiOprecursor and/or a TiO2 precursor. Further, a manufacturing method of a solar cell is provided in which the masking paste is pattern-formed on the semiconductor substrate and then the p-type dopant and the n-type dopant are diffused.

Growing community of inventors

Osaka, Japan

Yasushi Funakoshi